Slotted Lock Nut

Slotted Lock Nut
Details:
Standard: DIN981
Name: Slotted Lock Nuts
Material: carbon steel and alloy steel, etc.
Grade: Grade 4.8, 5.8, 8.8
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Description
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Products Description

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Slotted lock nut is a special anti-loosening hex nut with precision milled slots on the top. It is always used with a cotter pin to lock the bolt tightly, effectively preventing nut loosening caused by vibration, shock and rotation.

Parameters

 

Standard

DIN981

Name

Slotted Lock Nuts

Material

carbon steel and alloy steel, etc.

Grade

Grade 4.8, 5.8, 8.8

Nominal diameter

M2-M48

Pitch

0.4-5

Surface treatment

ZP,YZ,BLACK

Alias

Slotted jam nut,Slotted self-locking nut

 

Product Features

1

Anti-loosening

Features a mechanical locking mechanism using split pins, ensuring it will not loosen even under prolonged vibration and heavy loads.

2

Safety

All-metal construction with no nylon inserts ensures high-temperature resistance and prevents aging or failure.

3

Precision Design

Uniform slot dimensions ensure smooth assembly and a perfect fit with standard split pins.

4

Reusable

The Slotted Lock Nut can be reused simply by replacing the split pin, resulting in low maintenance costs.

Our Products

Slotted Lock Nut
Slotted Lock Nut

Products Application

Automotive

Ideal for chassis, wheel hub, axle, steering parts and vehicle bridge assembly, providing stable locking against road vibration.

Construction & Mining Machinery

High-strength slotted lock nuts for excavators, loaders, crushers, pin shafts and hydraulic cylinders, suitable for heavy-load anti-loosening.

Agricultural Machinery

Perfect for tractors and harvesters, stable fastening under bumpy and harsh farm working conditions.

Marine & Petrochemical

304/316 stainless steel slotted nuts with corrosion resistance for marine equipment, chemical pumps and pipeline connections.

Rail Transit & Motor Equipment

High temperature resistant locking nuts for fans, motors, reducers and railway machinery, no nylon aging failure.

General Machinery

Widely used in conveyors, textile machines, machine tools and hydraulic equipment for reliable anti-loosening fixation.

How to Contact Us

 

How To Cooperate With Us?

If you are interested in purchasing slotted lock nuts, please feel free to leave us a message online or give us a call.

 

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